Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 208,165
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     210,309
Calibration 2     209,056
Calibration 3     209,157
ssj_ops@calibrated=209,106
100% 99.6% 209,106 208,165
90% 90.0% 188,195 188,221
80% 80.5% 167,285 168,307
70% 69.6% 146,374 145,632
60% 59.8% 125,464 125,135
50% 50.3% 104,553 105,200
40% 40.3% 83,642 84,258
30% 30.1% 62,732 62,859
20% 19.9% 41,821 41,653
10% 9.8% 20,911 20,534
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,298,426 1,494
Payment 15,298,427
Order Status 1,529,843
Delivery 1,529,842
Stock Level 1,529,843
Customer Report 15,298,429
Calibration 2 New Order 15,205,871 1,494
Payment 15,205,871
Order Status 1,520,588
Delivery 1,520,587
Stock Level 1,520,586
Customer Report 15,205,868
Calibration 3 New Order 15,212,371 1,494
Payment 15,212,375
Order Status 1,521,236
Delivery 1,521,237
Stock Level 1,521,239
Customer Report 15,212,372
100% 99.6% New Order 15,139,386 1,494
Payment 15,139,390
Order Status 1,513,937
Delivery 1,513,939
Stock Level 1,513,939
Customer Report 15,139,390
90% 90.0% New Order 13,688,961 1,494
Payment 13,688,955
Order Status 1,368,895
Delivery 1,368,894
Stock Level 1,368,896
Customer Report 13,688,961
80% 80.5% New Order 12,241,584 1,494
Payment 12,241,588
Order Status 1,224,159
Delivery 1,224,159
Stock Level 1,224,159
Customer Report 12,241,588
70% 69.6% New Order 10,591,499 1,494
Payment 10,591,502
Order Status 1,059,151
Delivery 1,059,152
Stock Level 1,059,150
Customer Report 10,591,502
60% 59.8% New Order 9,100,799 1,494
Payment 9,100,796
Order Status 910,080
Delivery 910,081
Stock Level 910,080
Customer Report 9,100,796
50% 50.3% New Order 7,650,894 1,494
Payment 7,650,891
Order Status 765,090
Delivery 765,089
Stock Level 765,089
Customer Report 7,650,891
40% 40.3% New Order 6,128,184 1,494
Payment 6,128,179
Order Status 612,818
Delivery 612,820
Stock Level 612,817
Customer Report 6,128,182
30% 30.1% New Order 4,571,801 1,494
Payment 4,571,803
Order Status 457,180
Delivery 457,179
Stock Level 457,180
Customer Report 4,571,799
20% 19.9% New Order 3,029,393 1,494
Payment 3,029,396
Order Status 302,940
Delivery 302,939
Stock Level 302,940
Customer Report 3,029,392
10% 9.8% New Order 1,493,474 1,494
Payment 1,493,476
Order Status 149,347
Delivery 149,347
Stock Level 149,346
Customer Report 1,493,473
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0